magnos Posted May 24, 2009 Share Posted May 24, 2009 i`m just about to buy one of ebay,i know they not really good compared with thor or greddy but hks it`all i could find for sale at the moment ...will it do the job on my uk spec? or shell i wait till a better one is up for sale. thanks Quote Link to comment Share on other sites More sharing options...
DaveR Posted May 24, 2009 Share Posted May 24, 2009 I've got an HKS unit on my (J-Spec) TT. They receive a bit of a slagging on here, I've noticed, but I've never had any problems with it. I think a lot of it is how it's set up... Quote Link to comment Share on other sites More sharing options...
magnos Posted May 24, 2009 Author Share Posted May 24, 2009 is that a DIY job or i have to go to specialist,with a boost controler in place don`t think it would be a problem.. Quote Link to comment Share on other sites More sharing options...
jacko Posted May 24, 2009 Share Posted May 24, 2009 I bought an HKS FCD for my old Starlet, but everybody slated them so i sold it and bought a JAM Racing unit. So i understand it, the HKS unit is working constantly and can mess up the fuelling, where as the Greddy BCC only comes on when nearing fuel cut Quote Link to comment Share on other sites More sharing options...
magnos Posted May 24, 2009 Author Share Posted May 24, 2009 ok..i`ll wait then,thanks Quote Link to comment Share on other sites More sharing options...
AlexJames Posted May 24, 2009 Share Posted May 24, 2009 I've got an HKS unit on my (J-Spec) TT. They receive a bit of a slagging on here, I've noticed, but I've never had any problems with it. I think a lot of it is how it's set up... yep im the same, i have a HKS one as that was all thor had availible at the time, apparently they dont make em any more but I haven't had any problem with mine yet, it runs lumpy until the ecu re-learns, it took a few days but it does settle down Quote Link to comment Share on other sites More sharing options...
Jellybean Posted May 26, 2009 Share Posted May 26, 2009 (edited) The Big issue with the HKS FCD is how it prevents Fuel cut compared to Thor or Greddy The Design of HKS FCD is poor and badly taught out, therefore your engine is higher risk to detonation and bad things happening you might as well remove the vacuum hoses from the turbo sensor and fool the computer into thinking it's not making any boost, if you go with HKS and save yourself a few $$ the Greddy controls the Fuel cut a lot more delicate Why choose Greddy BCC? The GReddy BCC over the HKS Fuel Cut Defensor (FCD)and the Free Fuel Cut Defensor (FFCD) is simple. The HKS unit reduces the signal coming from the turbo pressure sensor at a fixed percentage, which means that all the data coming from this sensor is corrupt. The FFCD fixes the value coming from the turbo pressure sensor at something close to atmospheric by capping the pressure input to the sensor.The turbo pressure sensor is used for six different functions by the ECU The Greddy BCC does not alter the signal significantly (I measured a 2.0 millivolt gain) and clamps the signal at a preset voltage that is user adjustable over a fairly wide range. It keeps all the stock functions operating properly, and avoids the sudden shutdown caused by fuel cut when the car exceeds the ECU's maximum boost value. It is well made, and should prove quite reliable over the long haul. http://www.mkiv.com/techarticles/bcc/why_bcc/Why_the_GReddy_BCC.htm Edited May 26, 2009 by Jellybean (see edit history) Quote Link to comment Share on other sites More sharing options...
magnos Posted May 26, 2009 Author Share Posted May 26, 2009 thanks mate.. i`ll go for a greddy one when is up for sale Quote Link to comment Share on other sites More sharing options...
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